JP2016168161A - Inspection method of package type automatic fire extinguishment facility - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an inspection method of a package type automatic fire extinguishment facility capable of confirming opening/closing operation of a selection valve and a state in fire extinguishment piping and a fire extinguishment head easily and reliably.SOLUTION: The package type automatic fire extinguishment facility includes: a fire extinguishment head 2 connected to fire extinguishment piping 1; a fire extinguishment chemical unit 3 connected to a base end side of the fire extinguishment piping 1 and pressure-feeding a fire extinguishment chemical to the fire extinguishment head 2; and a selection valve 4 arranged in the midway of the fire extinguishment piping 1. In the inspection method of the package type automatic fire extinguishment facility, the selection valve 4 is opened and the fire extinguishment chemical is ejected from the fire extinguishment head 2. An inspection gas is fed to a primary side fire extinguishment piping 1a of the selection valve 4, a fire signal is sent to the selection valve 4, and an ejection state of the inspection gas ejected from the fire extinguishment head 4 and a state such as clogging in the fire extinguishment piping 1 and the fire extinguishment head 2 are confirmed.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an inspection method for a package-type automatic fire extinguishing equipment for performing opening / closing operation of a selection valve in a package-type automatic fire extinguishing equipment, a fire extinguishing pipe, and a fire extinguishing head.

  Packaged automatic fire extinguishing equipment is widely installed as fire extinguishing equipment in inns, apartment houses, hospitals, welfare facilities and the like. The package-type automatic fire extinguishing equipment consists of a fire extinguishing head connected to the fire extinguishing pipe, a fire extinguishing chemical unit connected to the base end side of the fire extinguishing pipe and pumping the fire extinguishing chemical to the fire extinguishing head, and a selection valve provided in the middle of the fire extinguishing pipe And opening a selection valve that leads to a fire-extinguishing section where a fire has occurred, and discharging a fire-extinguishing agent from a fire-extinguishing head (for example, see Patent Document 1).

In such package type automatic fire extinguishing equipment, it is necessary to periodically check the opening and closing of the selection valve for safety, but since the selection valve is generally placed behind the ceiling, visual inspection is not possible. It has become difficult.
For this reason, conventionally, inspecting the opening and closing of the selection valve is provided with an opening / closing switch that is turned on when the selection valve is opened, and a transmitter that sends a fire signal when the opening / closing switch is turned on. Sends a fire signal that opens the selection valve to the valve, receives the fire signal transmitted from the transmitter at the receiving device, confirms that the selection valve has been opened, and transmits from the selection valve when the fire signal is stopped An inspection is performed to confirm that the selection valve is closed by confirming that the fire signal has been extinguished by the receiving device.

JP 2007-531 A

  The inspection in the conventional package type automatic fire extinguishing equipment described above includes confirmation of opening / closing of the selection valve, and in the means of inspection, a signal transmitted from the transmitter provided for the selection valve is received by the receiving device. Therefore, a transmitter and a receiving device are required for each selected valve in order to confirm opening / closing of the selected valve. For this reason, as the number of sections increases, the number of transmitters and receivers increases, and the amount of wiring work increases, resulting in a problem of increasing the size and cost of facilities.

  In addition, in the inspection of the conventional package type automatic fire extinguishing equipment, the state of the fire extinguishing pipe and the fire extinguishing head is not confirmed, and there is also a means for effectively checking the condition of the fire extinguishing head. No.

  An object of the present invention is to provide an inspection method for a package-type automatic fire extinguishing apparatus that can easily and reliably check the opening / closing operation of a selection valve, the state of a fire extinguishing pipe, and the inside of a fire extinguishing head.

  In order to achieve the above object, the invention described in claim 1 includes a fire extinguishing head connected to the fire extinguishing pipe, a fire extinguishing chemical unit connected to the base end side of the fire extinguishing pipe and pumping the fire extinguishing chemical to the fire extinguishing head. A method for inspecting a package type automatic fire extinguishing equipment comprising a selection valve provided in the middle of a fire-extinguishing pipe, opening the selection valve leading to a fire-extinguishing section and releasing a fire-extinguishing agent from the fire-extinguishing head, Inspection gas is supplied to the primary side fire extinguishing piping of the selection valve, a fire signal is sent to the selection valve, and the discharge state of the inspection gas released from the fire extinguishing head is confirmed.

  According to the first aspect of the present invention, the inspection gas is supplied to the primary fire extinguishing piping of the selection valve, the selection valve is opened and closed, and the discharge state of the inspection gas released from the fire extinguishing head is confirmed. Therefore, by checking the presence or absence of the inspection gas released from the fire-extinguishing head, it is possible to confirm whether the opening / closing of the selection valve is operating normally, and for the inspection to be released from the fire-extinguishing head. By checking the amount of gas released (air volume), it is possible to check the clogging state in the fire extinguishing pipe or the fire extinguishing head, and check whether the clogging is in the fire extinguishing pipe or the fire extinguishing head. By the discharge output of the inspection gas released from the fire extinguishing head, foreign substances accumulated in the fire extinguishing pipe and the fire extinguishing head can be blown out.

  According to a second aspect of the present invention, in the supply of the inspection gas to the primary fire extinguishing pipe of the selection valve according to the first aspect, the inspection gas supply pipe is connected to the primary fire extinguishing pipe of the selection valve. The inspection gas supply source is connected to the inspection gas introduction side end of the inspection gas supply pipe, and the inspection gas is supplied to the primary discharge pipe of the selection valve. And

  According to the second aspect of the present invention, the supply of the inspection gas to the primary fire extinguishing pipe of the selection valve according to the first aspect is performed by connecting the inspection gas supply pipe to the primary fire extinguishing pipe of the selection valve. Since the inspection gas supply source is connected to the inspection gas introduction side end of the inspection gas supply pipe and the inspection gas is supplied to the primary side fire extinguishing pipe of the selection valve, The inspection gas introduction side end of the inspection gas supply pipe is opened on the wall of the fire extinguishing section, and at the time of inspection, the gas cylinder filled with the inspection gas is carried to the fire extinguishing section, and the inspection gas introduction side end By connecting to, the inspection gas can be easily supplied to the primary fire extinguishing pipe of the selection valve.

  According to the inspection method of the package type automatic fire extinguishing equipment according to the present invention, the inspection gas is supplied to the primary fire extinguishing pipe of the selection valve and released from the fire extinguishing head, and the release state of the inspection gas released from the fire extinguishing head is confirmed. It is possible to easily and surely confirm the opening and closing operation of the selection valve and the state in the piping and the fire extinguishing head by simple means such as, and further, by the discharge output of the inspection gas released from the fire extinguishing head, Foreign matter accumulated in the fire extinguishing pipe and the fire extinguishing head can be blown out.

It is a schematic block diagram which shows an example of the package type automatic fire extinguishing equipment provided with the inspection apparatus which enforces the inspection method of the package type automatic fire extinguishing equipment which concerns on this invention.

Hereinafter, an example of an embodiment for carrying out an inspection method for a package type automatic fire extinguishing apparatus according to the present invention will be described with reference to FIG.
FIG. 1 is a schematic configuration diagram showing an example of a package type automatic fire extinguishing equipment provided with an inspection device for carrying out the inspection method of the package type automatic fire extinguishing equipment according to the present invention, a fire extinguishing head 2 connected to a fire extinguishing pipe 1, A fire extinguishing agent unit 3 that is connected to the base end side of the fire extinguishing pipe 1 and pumps the extinguishing agent to the fire extinguishing head 2, and a selection valve 4 provided in the middle of the fire extinguishing pipe 1 are provided. Then, in response to a fire signal from the fire detector 5 provided for each fire extinguishing section, the extinguishing agent is pumped from the extinguishing agent unit 3 and the selection valve 4 leading to the extinguishing compartment opens and the extinguishing agent is released from the extinguishing head 2. It has come to be.

The package type automatic fire extinguishing equipment configured in this way is provided with an inspection device 6 for inspecting the package type automatic fire extinguishing equipment.
In the inspection device 6, in this example, one end side is connected to the primary fire extinguishing pipe 1 a of the selection valve 4, and the other end side is connected to the inspection gas supply source 8 as the inspection gas introduction side end 7. The inspection gas supply pipe 9 for supplying and sealing the inspection gas from the gas supply source 8 into the primary fire extinguishing pipe 1a and the discharge state of the inspection gas sent to the fire extinguishing head 2 and discharged from the fire extinguishing head 2 The inspection gas emission state confirmation means 10 is shown.

In this example, the inspection gas supply pipe 9 has a gas cylinder 11 filled with inspection gas as an inspection gas supply source 8 with the inspection gas introduction side end 7 opened in the wall of the fire extinguishing section or the like. Is carried to the fire extinguishing section and connected to the inspection gas introduction side end 7. The inspection gas supply pipe 9 is provided with an open / close valve 12 which is closed when not inspected and opened at the time of inspection.
The inspection gas release state confirmation means 10 attached to the fire extinguishing head 2 is not particularly limited as long as the inspection gas release state released from the fire extinguishing head 2 can be confirmed.

  As the inspection gas release state confirmation means 10, in this example, an attachment frame 14 with a ribbon 13 suspended therein is prepared, and the attachment frame 14 is attached to the discharge port of the fire extinguishing head 2 during the inspection. The inspection gas released from the fire extinguishing head 2 is visually observed by observing the shaking of the ribbon 13 suspended from the mounting frame 14 and the magnitude of the shaking when the inspection gas is released from the fire. Is to check.

  In addition to this, for example, a peelable seal is prepared at the discharge port of the fire-extinguishing head 2, and a seal is attached to the discharge port of the fire-extinguishing head 2 at the time of inspection to seal the inspection gas from the fire-extinguishing head 2. When there is a discharge, the release of the inspection gas released from the fire-extinguishing head 2 can be confirmed by visually observing the peeling of the seal from the discharge port of the fire-extinguishing head 2, or it can be attached to and detached from the discharge port of the fire-extinguishing head 2 Prepare a cap, seal the discharge port of the fire extinguishing head 2 with the cap at the time of inspection, and remove the cap from the discharge port of the fire extinguishing head 2 when the inspection gas is released from the fire extinguishing head 2 It is possible to check the release state of the inspection gas released from the fire-extinguishing head 2 by visually observing.

  Further, as the inspection gas release state confirmation means 10, the inspection gas may be colored, and when the inspection gas is released from the fire-extinguishing head 2, the colored gas is released from the discharge port of the fire-extinguishing head 2. By visually observing the above, it is possible to confirm the release state of the inspection gas released from the fire extinguishing head 2.

  The inspection gas supplied to the primary fire extinguishing pipe 1a of the selection valve 4 is compressed air or other gas that does not adversely affect health or the environment. If the inspection gas is a gas other than compressed air, it is possible to confirm the discharge state of the inspection gas released from the fire extinguishing head 2 by using a gas detector as the inspection gas discharge state confirmation means 10. .

Inspection of the package type automatic fire extinguishing equipment provided with such an inspection device 6 is performed as follows.
In this example, at the time of inspection, the gas cylinder 11 serving as the inspection gas supply source 8 is carried to the fire extinguishing section and connected to the inspection gas introduction side end portion 7 of the inspection gas supply pipe 9 opened on the wall surface of the fire extinguishing section. At the same time, the attachment frame 14 with the ribbon 13 suspended is attached to the discharge port of the fire extinguishing head 2.
Then, by opening the on-off valve 12 provided in the inspection gas supply pipe 9 and opening the gas cylinder 11, the inspection gas is supplied to the primary fire extinguishing pipe 1a of the selection valve 4 and sealed.

  When the inspection gas is sealed in the primary fire extinguishing pipe 1a of the selection valve 4 in this way, a fire signal is transmitted to the selection valve 4. If the selection valve 4 is normal, the selection valve 4 that has received the fire signal opens, and if there is an abnormality, the selection valve 4 does not open. The state of the inspection gas released from the fire extinguishing head 2 when the ribbon 13 suspended from the body 14 is shaken is confirmed.

If the ribbon 13 suspended from the mounting frame 14 is greatly shaken, it can be confirmed that the selection valve 4 is normally opened and that no foreign matter is accumulated in the fire extinguishing pipe 1 or the fire extinguishing head 2.
In addition, when the fluctuation of the ribbon 13 is small, it can be confirmed that the selection valve 4 is normally opened, but foreign matter is accumulated in the fire extinguishing pipe 1 and the fire extinguishing head 2.
Further, when there is no shaking of the ribbon 13, it can be confirmed that the selection valve 4 is abnormal.

As described above, the state of the inspection gas released from the fire extinguishing head 2 can be easily and surely confirmed by the shaking of the ribbon 13 suspended from the mounting frame 14 attached to the discharge port of the fire extinguishing head 2. Can do.
Furthermore, foreign substances accumulated in the fire-extinguishing pipe 1 and the fire-extinguishing head 2 can be blown out by the discharge of the inspection gas discharged from the fire-extinguishing head 4.

DESCRIPTION OF SYMBOLS 1 Fire extinguishing pipe 1a Primary side fire extinguishing pipe 2 Fire extinguishing head 3 Fire extinguishing agent unit 4 Selection valve 5 Fire detector 6 Inspection apparatus 7 Inspection gas introduction side end 8 Inspection gas supply source 9 Inspection gas supply pipe 10 Inspection gas discharge State confirmation means 11 Gas cylinder 12 On-off valve 13 Ribbon 14 Mounting frame

Claims (2)

  Fire extinguishing head connected to fire extinguishing pipe, fire extinguishing chemical unit connected to the base end side of the fire extinguishing pipe and pumping the fire extinguishing chemical to the fire extinguishing head, and a selection valve provided in the middle of the fire extinguishing pipe. A method for inspecting a package type automatic fire extinguishing equipment that opens the selection valve leading to a fire extinguishing section and releases a fire extinguishing agent from the fire extinguishing head, supplying inspection gas to a primary side fire extinguishing pipe of the selection valve, and the selection valve The inspection method of the package type automatic fire extinguishing equipment, wherein a fire signal is sent to the fire extinguishing head and the discharge state of the inspection gas released from the fire extinguishing head is confirmed.   The supply of the inspection gas to the primary fire extinguishing pipe of the selection valve is performed by connecting an inspection gas supply pipe to the primary fire extinguishing pipe of the selection valve, and the inspection gas supply side of the inspection gas supply pipe 2. The inspection method for a package-type automatic fire extinguishing apparatus according to claim 1, wherein an inspection gas supply source is connected to an end portion to supply inspection gas to a primary discharge pipe of the selection valve. .

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